They say it can’t be done - this journalist says it can…

Basically, the Digg filter must look at things like “do the same clumps of users dig an article within 24 hrs, and nobody else”, and look at if they dig anything independently… So to game the system, vary the people in your gang that dig each article, and make sure they dig other things on their own. It can’t be caught, and according to the article these diggers can earn 50c per 3 digs - lots of money for folk in India or Eastern Europe.